94436221440 has 480 divisors, whose sum is σ = 334535338368. Its totient is φ = 22708224000.

The previous prime is 94436221357. The next prime is 94436221459. The reversal of 94436221440 is 4412263449.

It is a tau number, because it is divible by the number of its divisors (480).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 140320944 + ... + 140321616.

Almost surely, 2^94436221440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 94436221440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167267669184).

94436221440 is an abundant number, since it is smaller than the sum of its proper divisors (240099116928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

94436221440 is a wasteful number, since it uses less digits than its factorization.

94436221440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872 (or 845 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 39.

Adding to 94436221440 its reverse (4412263449), we get a palindrome (98848484889).

The spelling of 94436221440 in words is "ninety-four billion, four hundred thirty-six million, two hundred twenty-one thousand, four hundred forty".